*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1b2d 0%, #1a3a4a 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #f9d423, #ff4e50);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.3s ease;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #aac;
            display: block;
            letter-spacing: 1px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #eef;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background 0.3s, color 0.3s;
            white-space: nowrap;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #f9d423;
            text-decoration: none;
        }
        .nav-list li a.active {
            background: rgba(249, 212, 35, 0.2);
            color: #f9d423;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
            z-index: 1100;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: #fff;
            border-radius: 4px;
            transition: 0.3s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 0.7rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce2ec;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #8899aa;
        }
        .breadcrumb a {
            color: #2a4a6a;
        }
        .breadcrumb .current {
            color: #e63946;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #0b1a2e, #1e3b4f);
            color: #fff;
            padding: 3rem 0 2.8rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "⚽";
            position: absolute;
            right: 5%;
            bottom: -10%;
            font-size: 16rem;
            opacity: 0.04;
            pointer-events: none;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.8rem;
            background: linear-gradient(to right, #f9d423, #ff6b6b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 720px;
            margin: 0 auto 1.2rem;
            color: #ccddee;
        }
        .hero .meta-info {
            font-size: 0.9rem;
            color: #99b3cc;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .hero .meta-info i {
            margin-right: 0.3rem;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media(max-width:992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h2 {
            font-size: 2rem;
            color: #0f1b2d;
            margin: 2.4rem 0 1rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 4px solid #f9d423;
            display: inline-block;
        }
        .article-body h3 {
            font-size: 1.5rem;
            color: #1a3a4a;
            margin: 1.8rem 0 0.8rem;
        }
        .article-body h4 {
            font-size: 1.2rem;
            color: #2a4a6a;
            margin: 1.4rem 0 0.5rem;
            font-weight: 600;
        }
        .article-body p {
            margin: 1rem 0;
            font-size: 1.05rem;
            color: #2c2c3a;
        }
        .article-body .highlight-box {
            background: #eef7ff;
            border-left: 5px solid #f9d423;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .article-body .highlight-box i {
            color: #f9d423;
            margin-right: 0.5rem;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-image figcaption {
            background: #f0f4fa;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #445566;
            font-style: italic;
        }
        .sidebar {
            background: #fff;
            border-radius: 18px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            color: #0f1b2d;
            margin-bottom: 1rem;
            border-bottom: 3px solid #f9d423;
            padding-bottom: 0.4rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #eef2f7;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #1a3a4a;
            font-weight: 500;
        }
        .sidebar ul li a:hover {
            color: #e63946;
        }
        .sidebar ul li a i {
            color: #f9d423;
            width: 1.2rem;
        }
        .search-box {
            background: #fff;
            border-radius: 60px;
            display: flex;
            align-items: center;
            overflow: hidden;
            border: 2px solid #dce2ec;
            transition: 0.3s;
            margin-bottom: 2rem;
            max-width: 540px;
        }
        .search-box:focus-within {
            border-color: #f9d423;
            box-shadow: 0 0 0 4px rgba(249, 212, 35, 0.15);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 0.9rem 1.2rem;
            font-size: 1rem;
            background: transparent;
            outline: none;
            min-width: 0;
        }
        .search-box button {
            background: #f9d423;
            border: none;
            padding: 0.9rem 1.6rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            color: #0f1b2d;
            transition: 0.25s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box button:hover {
            background: #e6c21a;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0;
        }
        @media(max-width:700px) {
            .interaction-area {
                grid-template-columns: 1fr;
            }
        }
        .interaction-card {
            background: #fff;
            border-radius: 18px;
            padding: 1.8rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        .interaction-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            color: #0f1b2d;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .interaction-card h3 i {
            color: #f9d423;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #dce2ec;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: 0.25s;
            background: #fafcff;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: #f9d423;
            outline: none;
            box-shadow: 0 0 0 4px rgba(249, 212, 35, 0.12);
        }
        .interaction-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interaction-card .btn-submit {
            background: #0f1b2d;
            color: #fff;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.3s;
            align-self: flex-start;
        }
        .interaction-card .btn-submit:hover {
            background: #1a3a4a;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: 0.2s;
            color: #dce2ec;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f9d423;
        }
        .inline-link-list {
            background: #f0f6fe;
            border-radius: 14px;
            padding: 1.2rem 1.8rem;
            margin: 1.8rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
        }
        .inline-link-list a {
            background: #fff;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .inline-link-list a:hover {
            background: #f9d423;
            color: #0f1b2d;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .site-footer {
            background: #0f1b2d;
            color: #ccddee;
            padding: 2.5rem 0 0;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
        }
        @media(max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-grid h4 {
            color: #f9d423;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .footer-grid p,
        .footer-grid a {
            color: #aabbcc;
            font-size: 0.9rem;
        }
        .footer-grid a:hover {
            color: #f9d423;
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            padding: 0.2rem 0;
        }
        .footer-bottom {
            background: #0a1420;
            padding: 1.2rem 0;
            text-align: center;
            font-size: 0.85rem;
            color: #7788aa;
            border-top: 1px solid #1a2a3a;
        }
        .footer-bottom a {
            color: #aabbcc;
        }
        .footer-bottom a:hover {
            color: #f9d423;
        }
        @media(max-width:768px) {
            .hamburger {
                display: flex;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                background: #0f1b2d;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 1rem 1.5rem;
                border-radius: 0 0 20px 20px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                gap: 0.2rem;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.7rem 0.8rem;
                border-radius: 10px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .article-body h2 {
                font-size: 1.6rem;
            }
            .article-body h3 {
                font-size: 1.3rem;
            }
            .search-box {
                max-width: 100%;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
        }
        @media(max-width:480px) {
            .header-inner {
                padding: 0 0.3rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 0.9rem;
            }
            .sidebar {
                padding: 1.2rem;
            }
        }
        .toc {
            background: #f0f4fa;
            border-radius: 14px;
            padding: 1.2rem 1.8rem;
            margin: 1.5rem 0;
        }
        .toc summary {
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            color: #0f1b2d;
        }
        .toc ol {
            margin: 0.8rem 0 0 0;
            padding-left: 1.2rem;
        }
        .toc ol li {
            margin-bottom: 0.3rem;
        }
        .toc ol li a {
            color: #1a3a4a;
        }
        .badge {
            display: inline-block;
            background: #f9d423;
            color: #0f1b2d;
            padding: 0.1rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .emoji-big {
            font-size: 1.8rem;
            vertical-align: middle;
        }
        hr {
            border: none;
            border-top: 2px dashed #dce2ec;
            margin: 2rem 0;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #eef2f7;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #445566;
        }